Toro DDCWP-4-9V Waterproof 4 Station Battery Controlled Controller Fully Waterproof and Submersible Submersible up to 6.5' (2m) per IP-68 standards, allowing contractors to mount up to an 8-station controller in a valve box Operates DC Latching Solenoids Controller is compatible with most manufacturers' DC Latching solenoids Exclusive "Digital Dial" Technology Simple programming functions Unique Power Feature Verifies sufficient voltage level for turning stations off before turning any stations on Monthly Watering Schedule Monthly preset option - ideal for automatic runtime adjustments